Contact Dermatitis Involves

question 26

Multiple Choice

Contact dermatitis involves

• A)a sensitizing and provocative dose.
• B)allergen entering the skin.
• C)T-lymphocytes secrete inflammatory cytokines.
• D)itchy papules and blisters.
• E)All of these choices are correct.

---

Definitions:

Melanin

A pigment that gives human skin, hair, and eyes their color and offers protection against UV radiation.

Keratin

A type of structural protein that is a key component of the skin, hair, nails, and the outer layer of cells.

Protein

Large biological molecules, or macromolecules, consisting of one or more long chains of amino acid residues, functioning in various roles within organisms.

Melanin Production

The process by which cells known as melanocytes produce melanin, a pigment that colors the skin, hair, and eyes.